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Finding the Fourth Proportional to 15,617.88, 23,426.84 and 6,383.88

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Solution

The fourth proportional to 15,617.88, 23,426.84 and 6,383.88 is: 9,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.88 : 23,426.84 = 6,383.88 : x
  2. Step 2: Convert to fraction form
    15,617.88/23,426.84 = 6,383.88/x
  3. Step 3: Cross multiply
    15,617.88x = 23,426.84 × 6,383.88
  4. Step 4: Simplify right side
    15,617.88x = 149,553,986.29
  5. Step 5: Solve for x
    x = 149,553,986.29/15,617.88
  6. Step 6: Final answer
    x = 9,575.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.